Which preposition to use with tentative

in Occurrences 4%

For my own part I have thought of the idea of God as the banner of human unity and justice, and I have made some tentatives in that direction, but men, I perceive, have argued themselves mean and petty about religion.

at Occurrences 1%

His voice had been low and tentative at first; but now, gathering courage, he lifted it upon a note of high challenge.

beside Occurrences 1%

, it does with a certainty that makes most other work look tentative beside hers.

of Occurrences 1%

She came to the door in response to a sharp ring by Wesley Tiffles, who was tentative of bellpulls.

towards Occurrences 1%

The so-called "socialist" land legislation of New Zealand again is a tentative towards the realisation of the same school of ideas: great estates are to be automatically broken up, property is to be kept disseminated; a vast amount of political speaking and writing in America and throughout the world enforces one's impression of the widespread influence of Conservator ideals.

Which preposition to use with  tentative